<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>S Pay Mall 商城登录页</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      background-color: #f5f5f5;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
    }
    .login-container {
      background-color: #fff;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
      text-align: center;
      max-width: 400px;
      width: 100%;
    }
    .login-container h1 {
      margin-bottom: 20px;
      color: #333;
    }
    .qr-code {
      margin: 20px 0;
    }
    .qr-code img {
      width: 200px;
      height: 200px;
    }
    .instructions {
      color: #666;
      font-size: 14px;
    }
  </style>
</head>
<body>
<div class="login-container">
  <h1>S Pay Mall 商城登录页</h1>
  <div class="qr-code">
    <img id="qr-code-img" src="./images/placeholder.png" alt="微信二维码">
  </div>
  <p class="instructions">请使用微信扫描二维码登录</p>
</div>

<script>
  document.addEventListener("DOMContentLoaded", function() {
    // 获取二维码 ticket
    fetch('http://localhost:8091/api/v1/login/weixin_qrcode_ticket')
            .then(response => response.json())
            .then(data => {
              console.info("请求结果", data)
              if (data.code === "0000") {
                const ticket = data.data;
                const qrCodeImg = document.getElementById('qr-code-img');
                qrCodeImg.src = `https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=${ticket}`;

                // 开始轮询检查登录状态
                const intervalId = setInterval(() => {
                  checkLoginStatus(ticket, intervalId);
                }, 3000); // 每3秒检查一次
              } else {
                console.error('获取二维码 ticket 失败:', data.info);
              }
            })
            .catch(error => {
              console.error('请求失败:', error);
            });

    function checkLoginStatus(ticket, intervalId) {
      fetch(`http://localhost:8091/api/v1/login/weixin_check_login?ticket=${ticket}`)
              .then(response => response.json())
              .then(data => {
                if (data.code === "0000") {
                  console.info("login success");
                  // 停止轮询
                  clearInterval(intervalId);
                  // 保存登录 token 到 cookie，设置有效期为30天
                  setCookie('loginToken', data.data, 30);
                  // 在这里可以重定向到登录后的页面
                  window.location.href = 'index.html'; // 假设登录成功后跳转到首页
                } else {
                  console.info("login wait");
                }
              })
              .catch(error => {
                console.error('请求失败:', error);
              });
    }

    function setCookie(name, value, days) {
      const date = new Date();
      date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
      const expires = "expires=" + date.toUTCString();
      document.cookie = name + "=" + value + ";" + expires + ";path=/";
    }
  });
</script>
</body>
</html>
